Finding the Fourth Proportional to 11,760.17, 17,704.42 and 10,726.81

Step by Step Solution

1. Step 1: Write the proportion equation
   11,760.17 : 17,704.42 = 10,726.81 : x
2. Step 2: Convert to fraction form
   11,760.17/17,704.42 = 10,726.81/x
3. Step 3: Cross multiply
   11,760.17x = 17,704.42 × 10,726.81
4. Step 4: Simplify right side
   11,760.17x = 189,911,878.42
5. Step 5: Solve for x
   x = 189,911,878.42/11,760.17
6. Step 6: Final answer
   x = 16,148.74